true facts about the disputed frontiers of Europe / by M. Vibart Dixon Alaska : the last frontier / H.W. Clark Rapport de la Commission de Démarcation de la Frontière Germano-Néerlandaise = Report by the Demarcation Commission of the Netherlands-German Frontier drums would roll : a pictorial history of US Army Bands on the American frontier : 1866-1900 / Thomas C. Railsback & John P. Langellier
